Answer:
Average=29/6=4.83
Explanation:
F(0)=0^2-4=-4
F(1)=1^2-4=-3
F(2)=2^2-4=0
F(3)=3^2-4=5
F(4)=4^2-4=10
F(5)=5^2-4=21
The average is =total/6
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